2b6455abbf84755be4dcf840ebbfed9c480dced7bd74806bafee05465a5e752d

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	wmiprvse.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000\Control Panel\International\Geo\Nation	Squidward.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000\Control Panel\International\Geo\Nation	MasonMBR-SLEEP.exe

Executes dropped EXE 4 IoCs

pid	Process
3168	MasonMBR-SLEEP.exe
1036	MasonRootkit.exe
2460	MasonGDI.exe
2764	MasonGDI.exe

Indicator Removal: Clear Windows Event Logs 1 TTPs 1 IoCs

Clear Windows Event Logs to hide the activity of an intrusion.

defense_evasion

Clear Windows Event Logs

T1070.001

description	ioc	Process
File opened for modification	C:\Windows\System32\Winevt\Logs\Microsoft-Windows-WindowsUpdateClient%4Operational.evtx	svchost.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\D:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\A:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	wmiprvse.exe

Drops file in System32 directory 13 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Work	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Wake To Work	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Maintenance Work	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Office\16.0\officeclicktorun.exe_Rules.xml	OfficeClickToRun.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B76BE66D46C355931939D8CF818D03FD_879AFEB08DCB012707582D902977FF92	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\FB0D848F74F70BB2EAA93746D24D9749	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Scan	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B76BE66D46C355931939D8CF818D03FD_39DF7432E6EF50CDA9C936E29E7DA30D	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_49536AB5156BDD74EFF881D01C36A419	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
60	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MasonGDI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MasonGDI.exe

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	mousocoreworker.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	mousocoreworker.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	mousocoreworker.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	mousocoreworker.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	mousocoreworker.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	mousocoreworker.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3928	timeout.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	wmiprvse.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	mousocoreworker.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	mousocoreworker.exe

Modifies data under HKEY_USERS 62 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe = "Wed, 04 Nov 2026 08:31:11 GMT"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Property\0018001AFF769298 = 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	mousocoreworker.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414}	mousocoreworker.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe_queried = "1793815645"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414}\ApplicationFlags = "1"	mousocoreworker.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\RulesEndpoint = "https://nexusrules.officeapps.live.com/nexus/rules?Application=officeclicktorun.exe&Version=16.0.12527.20470&ClientId={492A37D3-A738-42B5-9C3E-2889BCC6D5A3}&OSEnvironment=10&MsoAppId=37&AudienceName=Production&AudienceGroup=Production&AppVersion=16.0.12527.20470&"	OfficeClickToRun.exe
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\MICROSOFT\OFFICE\16.0\COMMON\CLIENTTELEMETRY\RULESMETADATA\OFFICECLICKTORUN.EXE\ULSMONITOR	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414}\DeviceTicket = 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	mousocoreworker.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414}\DeviceId = "0018001AFF769298"	mousocoreworker.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\ExtendedProperties\LID = "0018001AFF769298"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Property	mousocoreworker.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor\ULSTagIds0 = "17110992,504928405,41816131,507286179,7202265,17110988,7153487,504928410,577889346,5804129,17962391,508368333,17962392,41484365,24262478,9179409,3462423,3702920,3700754,3965062,24262474,4297094,7153421,3462365,18716193,7153435,24262477,25036127,24262473,9179410,20502174,6308191,18407617,39125643,539756558,6104718,9179411,51475283,41185282,39389248,539756557,528570079,7202269"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor\ULSCategoriesSeverities = "1329 10,940 10,941 10,942 10,943 10,940 15,1329 15,940 6,944 50,944 10,941 15,942 15,940 50,943 15,944 6,944 15,943 6,1329 50,1329 100,1329 6,941 6,942 6,944 100,940 100"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
2116	wmiprvse.exe
2116	wmiprvse.exe
2116	wmiprvse.exe
2116	wmiprvse.exe
2116	wmiprvse.exe
2116	wmiprvse.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe
1036	MasonRootkit.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3404	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1036	MasonRootkit.exe
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	4348	svchost.exe
Token: SeCreatePagefilePrivilege	4348	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2480	svchost.exe
Token: SeIncreaseQuotaPrivilege	2480	svchost.exe
Token: SeSecurityPrivilege	2480	svchost.exe
Token: SeTakeOwnershipPrivilege	2480	svchost.exe
Token: SeLoadDriverPrivilege	2480	svchost.exe
Token: SeBackupPrivilege	2480	svchost.exe
Token: SeRestorePrivilege	2480	svchost.exe
Token: SeShutdownPrivilege	2480	svchost.exe
Token: SeSystemEnvironmentPrivilege	2480	svchost.exe
Token: SeManageVolumePrivilege	2480	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2480	svchost.exe
Token: SeIncreaseQuotaPrivilege	2480	svchost.exe
Token: SeSecurityPrivilege	2480	svchost.exe
Token: SeTakeOwnershipPrivilege	2480	svchost.exe
Token: SeLoadDriverPrivilege	2480	svchost.exe
Token: SeSystemtimePrivilege	2480	svchost.exe
Token: SeBackupPrivilege	2480	svchost.exe
Token: SeRestorePrivilege	2480	svchost.exe
Token: SeShutdownPrivilege	2480	svchost.exe
Token: SeSystemEnvironmentPrivilege	2480	svchost.exe
Token: SeUndockPrivilege	2480	svchost.exe
Token: SeManageVolumePrivilege	2480	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2480	svchost.exe
Token: SeIncreaseQuotaPrivilege	2480	svchost.exe
Token: SeSecurityPrivilege	2480	svchost.exe
Token: SeTakeOwnershipPrivilege	2480	svchost.exe
Token: SeLoadDriverPrivilege	2480	svchost.exe
Token: SeSystemtimePrivilege	2480	svchost.exe
Token: SeBackupPrivilege	2480	svchost.exe
Token: SeRestorePrivilege	2480	svchost.exe
Token: SeShutdownPrivilege	2480	svchost.exe
Token: SeSystemEnvironmentPrivilege	2480	svchost.exe
Token: SeUndockPrivilege	2480	svchost.exe
Token: SeManageVolumePrivilege	2480	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2480	svchost.exe
Token: SeIncreaseQuotaPrivilege	2480	svchost.exe
Token: SeSecurityPrivilege	2480	svchost.exe
Token: SeTakeOwnershipPrivilege	2480	svchost.exe
Token: SeLoadDriverPrivilege	2480	svchost.exe
Token: SeSystemtimePrivilege	2480	svchost.exe
Token: SeBackupPrivilege	2480	svchost.exe
Token: SeRestorePrivilege	2480	svchost.exe
Token: SeShutdownPrivilege	2480	svchost.exe
Token: SeSystemEnvironmentPrivilege	2480	svchost.exe
Token: SeUndockPrivilege	2480	svchost.exe
Token: SeManageVolumePrivilege	2480	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2480	svchost.exe
Token: SeIncreaseQuotaPrivilege	2480	svchost.exe
Token: SeSecurityPrivilege	2480	svchost.exe
Token: SeTakeOwnershipPrivilege	2480	svchost.exe
Token: SeLoadDriverPrivilege	2480	svchost.exe
Token: SeSystemtimePrivilege	2480	svchost.exe
Token: SeBackupPrivilege	2480	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4328	Conhost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 3168	2872	Squidward.exe	83
PID 2872 wrote to memory of 1036	2872	Squidward.exe	84
PID 2872 wrote to memory of 2460	2872	Squidward.exe	85
PID 2872 wrote to memory of 784	2872	Squidward.exe	86
PID 2872 wrote to memory of 60	2872	Squidward.exe	88
PID 60 wrote to memory of 3928	60	cmd.exe	90
PID 1036 wrote to memory of 596	1036	MasonRootkit.exe	5
PID 1036 wrote to memory of 676	1036	MasonRootkit.exe	7
PID 1036 wrote to memory of 884	1036	MasonRootkit.exe	11
PID 1036 wrote to memory of 1020	1036	MasonRootkit.exe	13
PID 1036 wrote to memory of 524	1036	MasonRootkit.exe	14
PID 1036 wrote to memory of 764	1036	MasonRootkit.exe	15
PID 1036 wrote to memory of 708	1036	MasonRootkit.exe	16
PID 1036 wrote to memory of 1048	1036	MasonRootkit.exe	17
PID 1036 wrote to memory of 1060	1036	MasonRootkit.exe	18
PID 1036 wrote to memory of 1108	1036	MasonRootkit.exe	19
PID 1036 wrote to memory of 1152	1036	MasonRootkit.exe	20
PID 1036 wrote to memory of 1284	1036	MasonRootkit.exe	21
PID 1036 wrote to memory of 1396	1036	MasonRootkit.exe	23
PID 1036 wrote to memory of 1440	1036	MasonRootkit.exe	24
PID 1036 wrote to memory of 1448	1036	MasonRootkit.exe	25
PID 1036 wrote to memory of 1456	1036	MasonRootkit.exe	26
PID 1036 wrote to memory of 1472	1036	MasonRootkit.exe	27
PID 1036 wrote to memory of 1640	1036	MasonRootkit.exe	28
PID 1036 wrote to memory of 1692	1036	MasonRootkit.exe	29
PID 1036 wrote to memory of 1708	1036	MasonRootkit.exe	30
PID 1036 wrote to memory of 1776	1036	MasonRootkit.exe	31
PID 1036 wrote to memory of 1812	1036	MasonRootkit.exe	32
PID 1036 wrote to memory of 1940	1036	MasonRootkit.exe	33
PID 1036 wrote to memory of 1976	1036	MasonRootkit.exe	34
PID 1036 wrote to memory of 1264	1036	MasonRootkit.exe	35
PID 1036 wrote to memory of 1336	1036	MasonRootkit.exe	36
PID 1036 wrote to memory of 1348	1036	MasonRootkit.exe	37
PID 1036 wrote to memory of 1800	1036	MasonRootkit.exe	38
PID 1036 wrote to memory of 1096	1036	MasonRootkit.exe	39
PID 1036 wrote to memory of 2264	1036	MasonRootkit.exe	40
PID 1036 wrote to memory of 2384	1036	MasonRootkit.exe	42
PID 1036 wrote to memory of 2480	1036	MasonRootkit.exe	43
PID 1036 wrote to memory of 2576	1036	MasonRootkit.exe	45
PID 1036 wrote to memory of 2584	1036	MasonRootkit.exe	46
PID 1036 wrote to memory of 2680	1036	MasonRootkit.exe	47
PID 1036 wrote to memory of 2704	1036	MasonRootkit.exe	48
PID 1036 wrote to memory of 2772	1036	MasonRootkit.exe	49
PID 1036 wrote to memory of 2812	1036	MasonRootkit.exe	50
PID 1036 wrote to memory of 2828	1036	MasonRootkit.exe	51
PID 1036 wrote to memory of 3100	1036	MasonRootkit.exe	52
PID 1036 wrote to memory of 3128	1036	MasonRootkit.exe	53
PID 1036 wrote to memory of 3176	1036	MasonRootkit.exe	54
PID 1036 wrote to memory of 3236	1036	MasonRootkit.exe	55
PID 1036 wrote to memory of 3384	1036	MasonRootkit.exe	56
PID 1036 wrote to memory of 3404	1036	MasonRootkit.exe	57
PID 1036 wrote to memory of 3568	1036	MasonRootkit.exe	58
PID 1036 wrote to memory of 3856	1036	MasonRootkit.exe	60
PID 1036 wrote to memory of 4084	1036	MasonRootkit.exe	62
PID 1036 wrote to memory of 4204	1036	MasonRootkit.exe	63
PID 1036 wrote to memory of 4692	1036	MasonRootkit.exe	66
PID 1036 wrote to memory of 3336	1036	MasonRootkit.exe	68
PID 1036 wrote to memory of 1772	1036	MasonRootkit.exe	69
PID 1036 wrote to memory of 5000	1036	MasonRootkit.exe	70
PID 1036 wrote to memory of 1000	1036	MasonRootkit.exe	71
PID 1036 wrote to memory of 412	1036	MasonRootkit.exe	72
PID 1036 wrote to memory of 3564	1036	MasonRootkit.exe	73
PID 1036 wrote to memory of 3496	1036	MasonRootkit.exe	74
PID 1036 wrote to memory of 1124	1036	MasonRootkit.exe	75

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:596
- C:\Windows\system32\dwm.exe
  "dwm.exe"
  2⤵
  PID:1108

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:676

C:\Windows\System32\WUDFHost.exe
"C:\Windows\System32\WUDFHost.exe" -HostGUID:{193a1820-d9ac-4997-8c55-be817523f6aa} -IoEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-cfff217f-0b9b-4fcd-989e-943d3d592eeb -SystemEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-34f00a4d-b22b-4be1-8632-b98645718db0 -IoCancelEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-ac804fa4-88e0-4947-b33c-35e2f6e8e473 -NonStateChangingEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-b47f3bee-c6bf-435b-b0db-01b62e0ea5b7 -LifetimeId:84d48bf8-6190-4bbe-a720-564c60634c30 -DeviceGroupId:WudfDefaultDevicePool -HostArg:0
1⤵
PID:884

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
1⤵
PID:1020

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
1⤵
PID:524

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
1⤵
PID:764

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
1⤵
PID:708

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DisplayEnhancementService
1⤵
PID:1048

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
1⤵
- Indicator Removal: Clear Windows Event Logs
PID:1060

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
1⤵
PID:1152

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
1⤵
PID:1284

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
1⤵
PID:1396

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
1⤵
PID:1440

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
- Drops file in System32 directory
PID:1448
- C:\Windows\system32\taskhostw.exe
  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
  2⤵
  PID:3176

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
1⤵
PID:1456

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:1472

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
1⤵
PID:1640

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
1⤵
PID:1692

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
1⤵
PID:1708
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:3100

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
1⤵
PID:1776

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
1⤵
PID:1812

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1940
- C:\Windows\system32\AUDIODG.EXE
  C:\Windows\system32\AUDIODG.EXE 0x4d8 0x318
  2⤵
  PID:4048

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
1⤵
PID:1976

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
1⤵
PID:1264

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1336

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1348

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
1⤵
PID:1800

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
1⤵
PID:1096

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
1⤵
PID:2264

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
1⤵
PID:2384

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2480

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
1⤵
PID:2576

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
PID:2584

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
1⤵
PID:2680

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
1⤵
- Drops file in System32 directory
PID:2704

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
1⤵
- Enumerates connected drives
PID:2772

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
1⤵
PID:2812

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
1⤵
PID:2828

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:3128

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
1⤵
PID:3236

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
1⤵
PID:3384

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3404
- C:\Users\Admin\AppData\Local\Temp\Squidward.exe
  "C:\Users\Admin\AppData\Local\Temp\Squidward.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Users\Admin\AppData\Local\Temp\MasonMBR-SLEEP.exe
    "C:\Users\Admin\AppData\Local\Temp\MasonMBR-SLEEP.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    PID:3168
  - - C:\Users\Admin\AppData\Local\Temp\MasonGDI.exe
      "C:\Users\Admin\AppData\Local\Temp\MasonGDI.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2764
- - C:\Users\Admin\AppData\Local\Temp\MasonRootkit.exe
    "C:\Users\Admin\AppData\Local\Temp\MasonRootkit.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1036
- - C:\Users\Admin\AppData\Local\Temp\MasonGDI.exe
    "C:\Users\Admin\AppData\Local\Temp\MasonGDI.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2460
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /F /TN "MasonMBR" /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\\MasonMBR.exe" /RL HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:784
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE6C1.tmp.bat""
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:60
  - - C:\Windows\System32\Conhost.exe
      \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
      4⤵
      PID:4660
  - - C:\Windows\system32\timeout.exe
      timeout 3
      4⤵
      Delays execution with timeout.exe
      PID:3928

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3568

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3856

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4084

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:4204

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4692

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
1⤵
PID:3336

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
1⤵
- Modifies data under HKEY_USERS
PID:1772

C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
1⤵
PID:5000

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
1⤵
PID:1000

C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:412

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
1⤵
- Modifies data under HKEY_USERS
PID:3564

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3496

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
1⤵
PID:1124

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe" -ServerName:InputApp.AppXk0k6mrh4r2q0ct33a9wgbez0x7v9cz5y.mca
1⤵
PID:4616

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
1⤵
PID:2168

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 4e1796e77d7e190dad1a479472b2ef9f XXUkigDur0+fS6CBTcwyhA.0.1.0.0.0
1⤵
- Sets service image path in registry
- Modifies data under HKEY_USERS
PID:2764
- C:\Windows\System32\Conhost.exe
  \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
  2⤵
  PID:688

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:4172

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4348

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
1⤵
- Checks BIOS information in registry
- Writes to the Master Boot Record (MBR)
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
PID:2116

C:\Windows\servicing\TrustedInstaller.exe
C:\Windows\servicing\TrustedInstaller.exe
1⤵
PID:3836

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
1⤵
PID:4476

C:\Windows\System32\mousocoreworker.exe
C:\Windows\System32\mousocoreworker.exe -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies data under HKEY_USERS
PID:4716

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
- Suspicious use of SetWindowsHookEx
PID:4328

C:\Windows\system32\UsoClient.exe
C:\Windows\system32\usoclient.exe
1⤵
PID:1432

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Pre-OS Boot

T1542

Bootkit

T1542.003

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Indicator Removal

T1070

Clear Windows Event Logs

T1070.001

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery